Impaired speed of visual information processing in marijuana intoxication.
The American journal of psychiatry May 1981 D L Braff, L Silverton, D P Saccuzzo et al.
The authors conducted a double-blind crossover study to investigate the effects of marijuana on visual information processing. The authors used a tachistoscopic paradigm, and the results show no marijuana effect on the critical stimulus duration, a measure of stimulus intake. The visual backward masking data are compatible with a marijuana-induced slowness of information processing from labile...